diff --git a/CHANGELOG.md b/CHANGELOG.md
index 245104cf..d63293c8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Version 1.2.1 (TBC)
+## Version 1.2.1 (Jul 29, 2024)
 
 Changes:
 *   Rename repository from AI-SDC to SACRO-ML ([#298](https://github.com/AI-SDC/SACRO-ML/pull/298))
diff --git a/CITATION.cff b/CITATION.cff
index a50a4039..2a67d52d 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -2,7 +2,7 @@ cff-version: 1.2.0
 title: SACRO-ML
 version: 1.2.1
 doi:
-date-released:
+date-released: 2024-07-29
 license: MIT
 repository-code: https://github.com/AI-SDC/SACRO-ML
 languages: